seen as very young and very personal，" Pollak said."Over the past few years ... I've seen emoticons become more acceptable.I see them more frequently not only from Millennials but from all generations at the workplace."

　　"People tend to use emoticons to just add that little bit of extra change in the tone when there's something awkward or potentially offensive, or when they might take in things in the wrong way，" explains Lauren Collister, a sociolinguist.In life and work, many of us have used emoticons to send positive atmosphere or soften statements.

　　Pollak, however, warns against being too causal at work.Her advice is to be aware of who the audience is."Frankly, I wouldn't use a happy face with any CEO in the US.I wouldn't use a happy face with the people of a certain level no matter how commonplace and acceptable it has become，" she said."You can make or break a relationship with one email these days."

　　语篇解读：本文是一篇说明文，向我们介绍了表情符号在工作邮件中的使用越来越流行的原因以及人们对此要注意的方面。

　　24．What does the author say about past working people?

　　A．They were calm and professional.

　　B．They used more serious emoticons.

　　C．They were not fond of emoticons.

　　D．They avoided using emoticons at the workplace.

　　解析：选D　细节理解题。根据第一段中的"they wanted to hold back their love for emoticons (表情符号) while on the job"可知，以前的职员在工作中抑制自己对表情符号的喜爱，即避免使用表情符号。故选D。

　　25．What can people use emoticons to do at the workplace?

　　A．Make it personal to communicate.

　　B．Keep up with the trend of the times.

　　C．Show a positive attitude to the receiver.

　　D．Help them share their ideas and feelings.

解析：选C　推理判断题。根据第四段的内容可知，当尴尬或者可能冒犯别人的事情发生时，或者可能误解了某事时，人们往往会使用表情符号来稍微改变一下语气，传达积极的交流氛围或者让表达变得缓和。也就是说，在工作场合，人们可以通过表情符号来向接收